How To Clean Algae Off Metal Roof

To remove algae and moss growth from the roof dissolve one cup of ammonia for every 5 gallons of water used and work from the top to the bottom.

How to clean algae off metal roof. Cleaning step 2 make and apply the bleach solution. Step 3 check for cleanliness and rinse. The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae. Allow the solution to soak into the shingles for at least 15 minutes.

Cleaning algae stains 4 gallons of water 1 gallon of bleach 1 cup of tsp tri sodium phosphate or a phosphate free substitution. Soak your cloth or sponge in the water detergent mixture. Scrub problem areas with your detergent solution. Never use a.

The jet tip nozzle will reach surfaces up to 30 so you don t need to use a ladder to get onto your roof. Roof cleaning with wet forget is easy as you can apply it with your feet firmly planted on the ground. There are different ways to clean moss and algae off of a roof. Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it.

Once each panel is clean rinse it immediately with clean water to prevent streaks and film. Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water. They re likely to damage the shingles just be sure to wet your foundation plantings first and rinse everything in clean water when you re done. Step 4 take precautions.

You can physically remove the invasive plants with a long handled scrub brush as long as you are careful with the shingles. Mix the product with water for a 1 7 dilution ratio a gallon covers about 700 to 900 sq. Drag the rinsing tool in a forward and back motion as if you re vacuuming. To remove difficult algae spots use only a wet cloth sponge or low pressure washer.

Put on rubber gloves and a breathing mask before proceeding you so you can. That places the three water jets at the correct angle to blast off the dead algae colonies. You can also use a pressure washer but that may break sensitive shingles. Scrub from the bottom of the panel upward in a left to right back and forth fashion.